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Subject[PATCH v2 10/39] scripts: get_abi.pl: auto-generate cross references
Date
There are several cross-references that can be automatically
generated:

- References to .rst files inside Documentation/
- References to other ABI files;
- References to ABI symbols at /sys/*.

Add a logic to automatically parse them and convert into
cross references.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
scripts/get_abi.pl | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)

diff --git a/scripts/get_abi.pl b/scripts/get_abi.pl
index 12a23f9a2f86..ff4f9f82ecad 100755
--- a/scripts/get_abi.pl
+++ b/scripts/get_abi.pl
@@ -3,6 +3,7 @@

use strict;
use warnings;
+use utf8;
use Pod::Usage;
use Getopt::Long;
use File::Find;
@@ -272,6 +273,9 @@ sub create_labels {
# Outputs the book on ReST format
#

+# \b doesn't work well with paths. So, we need to define something else
+my $bondary = qr { (?<![\w\/\`\{])(?=[\w\/\`\{])|(?<=[\w\/\`\{])(?![\w\/\`\{]) }x;
+
sub output_rest {
create_labels();

@@ -342,6 +346,33 @@ sub output_rest {

if (!($desc =~ /^\s*$/)) {
if ($description_is_rst) {
+ # Enrich text by creating cross-references
+
+ $desc =~ s,Documentation/(?!devicetree)(\S+)\.rst,:doc:`/$1`,g;
+
+ my @matches = $desc =~ m,Documentation/ABI/([\w\/\-]+),;
+ foreach my $f (@matches) {
+ my $xref = $f;
+ my $path = $f;
+ $path =~ s,.*/(.*/.*),$1,;;
+ $path =~ s,[/\-],_,g;;
+ $xref .= " <abi_file_" . $path . ">";
+ $desc =~ s,\bDocumentation/ABI/$f\b,:ref:`$xref`,g;
+ }
+
+ @matches = $desc =~ m,$bondary(/sys/[^\s\.\,\;\:\*\s\`\'\(\)]+)$bondary,;
+
+ foreach my $s (@matches) {
+ if (defined($data{$s}) && defined($data{$s}->{label})) {
+ my $xref = $s;
+
+ $xref =~ s/([\x00-\x1f\x21-\x2f\x3a-\x40\x7b-\xff])/\\$1/g;
+ $xref = ":ref:`$xref <" . $data{$s}->{label} . ">`";
+
+ $desc =~ s,$bondary$s$bondary,$xref,g;
+ }
+ }
+
print "$desc\n\n";
} else {
$desc =~ s/^\s+//;
--
2.26.2
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